论文标题
TCSA和有限体积边界状态
TCSA and the finite volume boundary state
论文作者
论文摘要
我们开发了一种新的方法来计算边界状态的重叠，并在截短的保形空间方法中具有有限的体积体积状态。我们在分析的热扰动的ISING模型中检查了此方法，而在缩放Lee-Yang模型中，我们通过将我们的结果与激发态G功能进行比较，我们通过分析持续方法获得了激发态G功能。我们还为有限体积边界状态和周期性多颗粒状态之间的渐近重叠的结构提供了简单的论点，其中包括Gaudin型决定因素的比率。
We develop a new way to calculate the overlap of a boundary state with a finite volume bulk state in the truncated conformal space approach. We check this method in the thermally perturbed Ising model analytically, while in the scaling Lee-Yang model numerically by comparing our results to excited state g-functions, which we obtained by the analytical continuation method. We also give a simple argument for the structure of the asymptotic overlap between the finite volume boundary state and a periodic multiparticle state, which includes the ratio of Gaudin type determinants.
